<template>
  <template v-if="renderLocalIcon">
    <svg aria-hidden="true" width="1em" height="1em" v-bind="bindAttrs">
      <use :xlink:href="symbolId" fill="currentColor" />
    </svg>
  </template>
  <template v-else>
    <icon v-if="icon" :icon="icon" v-bind="bindAttrs" />
  </template>
</template>

<script setup lang="ts">
import { Icon } from "@iconify/vue";

/**
 * - 支持iconify和本地svg图标
 * - 同时传递了icon和localIcon，localIcon会优先渲染
 */
interface Props {
  icon?: string;
  localIcon?: string;
}
const props = defineProps<Props>();

const attrs = useAttrs();

const bindAttrs = computed<{ class: string; style: string }>(() => ({
  class: (attrs.class as string) || "",
  style: (attrs.style as string) || "",
}));

const symbolId = computed(() => {
  const { VITE_ICON_LOCAL_PREFIX: prefix } = import.meta.env;

  const defaultLocalIcon = "no-icon";

  const icon = props.localIcon || defaultLocalIcon;

  return `#${prefix}-${icon}`;
});

/** 渲染本地icon */
const renderLocalIcon = computed(() => props.localIcon || !props.icon);
</script>

<style scoped></style>
